HiVi RT2H-A Planar Isodynamic Tweeter

HiVi RT2H-A Planar Isodynamic Tweeter

Brand:| Model: RT2H-A
Overview
• Planar • Power handling: 30 watts RMS/60 watts max • Nominal impedance: 8 ohms • DC resistance: 7 ohms • Frequency range: 1,700-25,000 Hz • SPL: 94 dB 1W/1m
Part # 
297-407
Weight: 1 lbs.  
IN STOCK
List Price$167.99
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Part # 297-407
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Product Details

HiVi RT2H-A Planar Isodynamic Tweeter

Why Isodynamic? Contrary to a conventional dynamic driver, these transducers have a driving force distributed evenly over the whole area of their vibrating elements. The key feature of the RT2C-A and the RT2H-A is the membrane, which consists of Kapton film with a pattern of aluminum conductors. The conductors cover about 90% of the whole vibrating area. The membrane assembly is placed precisely between two rows of Neodymium and Barium Ferrite bar magnets. A larger membrane area provides higher power handling and substantially extended low-end cut-off frequency. The aluminum mounting flange, with flared waveguide, controls the frequency response and directivity of the tweeter. These tweeters are magnetically shielded and are extremely flat with a depth only 27mm including the mounting flange.



Product Specifications
  • Tweeter TypePlanar
  • Impedance8 ohms
  • Power Handling (RMS)30 Watts
  • Frequency Response1,700 to 25,000 Hz
  • Sensitivity94 dB 1W/1m
Mounting Information
  • Overall Outside Diameter7.13" x 7.13"
  • Cutout Diameter6.13" x 6.13"
  • Depth1.63"
HiVi RT2H-A Planar Isodynamic Tweeter
  • BrandHiVi
  • ModelRT2H-A
  • Part Number297-407
  • UPC844632021787
  • Product CategoryTweeters
  • Unit of MeasureEA
  • Product Rating
    (5 Reviews)
  • Weight1 lbs.
  • California Prop 65

    Warning: California residents only. Please note per Proposition 65 that this product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.

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Reviews

HiVi RT2H-A Planar Isodynamic Tweeter
HiVi RT2H-A Planar Isodynamic Tweeter is rated 4.4 out of 5 by 5.
Rated 4 out of 5 by from Excellent sound from such a small horn.speakers performance sounds best crossed over at 3000hz. They are clean and crisp
Date published: 2009-03-16
Rated 4 out of 5 by from High HighsWell, I'm not sure if they need a break-in period to loosen them up, but thought they sounded initially a little more like a "super tweeter" to me. So far I can say they are very sensitive and detailed. There is plenty of energy in the highest ocitve. Horizontal dispersion was not as wide as I expected, but pretty good.
Date published: 2008-08-25
Rated 4 out of 5 by from Well worth the money.Got these guys about a year ago on sale and have been playing around with them off and on in different systems. They have finally found a home in an open baffle paired up with a Silver Flute 8" woofer and some PE 15" buyouts. Crossed over 1st order at around 6KHZ or so using the Flute's natural rolloff sounds great, transparent and non-fatiguing. I recently switched back to a pair of monitors sporting HIVI f5's/ Vifa xt25's and the difference was astounding. There is a caveat or two, verticle dispersion is VERY limited, its a gigantic tweeter with a huge cutout but very narrow mounting flange.
Date published: 2008-06-08
Rated 5 out of 5 by from WOW WHAT A PLANAR!Used these in a "MTM", 8" system and it would simply blow you away. Super smooth, extremely detailed and open. Use with high quality caps/ xover nothing much else can beat it, very good SPL as well. At the price of ONLY $50 each they are a steal for now!!
Date published: 2007-06-12
Rated 5 out of 5 by from Amazing detail and excellent horizontal dispersionI designed this unit into a 3-way, 42" tower system and found it to have outstanding high frequency detail and transient response. The horizontal, off-axis, dispersion is very wide and uniform while the vertical dispersion is confined to a fairly narrow beam-width so positioning this tweeter near ear level is important. The measured frequency response and impedance is indeed very flat as claimed in the product litterature making for a straight forward crossover network design. I used a 3kHz, 2nd-order crossover with a 3dB boost above 10kHz. This is an outstanding tweeter that I look forward to using in future designs.
Date published: 2007-06-07

Product Q&A

Get your questions answered from other customers
who own this product or have experience with it.
If your question requires design or troubleshooting information,
please email tech@parts-expresss.com  for a prompt reply.
HiVi RT2H-A Planar Isodynamic Tweeter

is a crossover point of 2.5khz at 12db/oct to safe for this planar?

Asked by: GBRnick
Yes that will be a safe crossover frequency for this tweeter.
Answered by: MattP
Date published: 2014-05-06

What are the key differences between Isodynamic and Ribbon Tweets

For example; please compare the RT2H-A to the Beston RT002A.
Asked by: MrTweetMan
A true ribbon has no voice coil etched in it. Most planer traducers use an etched shape to get enough impedance so as not to need a transformer. True ribbons are great when used with a transformer to match the low impedance , usually below 1 ohm to the amp. I believe you should use a dome unless you are using very expensive ribbons like the Raven or the Raal. Hope this helps Ralph
Answered by: hifiralph
Date published: 2011-12-25

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